Decided to check the pressure of my spare tyre today as I haven't done so for quite some time.
The recommended pressure is 4.2 bar (~61psi), mine was 2,5 bar (37psi).
![scared :scared:](https://www.mk5golfgti.co.uk/forum/Smileys/newsmileys/scared.gif)
Hopefully you'll never need to use it but if you do, it really needs to run 4.2 bar of pressure for safety reasons.